Số? 1 kg = ... g, 1 000 g = ... kg

356 g + 400 g

1 000 g – 500 g

8 g x 6

30 g : 5

1 kg = 1000 g

1000 g = 1 kg

356 g + 400 g = 756 g

1 000 g – 500 g = 500 g

8 g × 6 = 48 g

30 g : 5 = 6 g